[INFO] fetching crate pipe 0.4.0...
[INFO] testing pipe-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pipe 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pipe 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipe 0.4.0
[INFO] finished tweaking crates.io crate pipe 0.4.0
[INFO] tweaked toml for crates.io crate pipe 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded readwrite v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bdedb580f07a8d5fbb8c7b1d0efa84374e703b9cf9da5d7caa94f50b13262fe
[INFO] running `Command { std: "docker" "start" "-a" "6bdedb580f07a8d5fbb8c7b1d0efa84374e703b9cf9da5d7caa94f50b13262fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bdedb580f07a8d5fbb8c7b1d0efa84374e703b9cf9da5d7caa94f50b13262fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bdedb580f07a8d5fbb8c7b1d0efa84374e703b9cf9da5d7caa94f50b13262fe", kill_on_drop: false }`
[INFO] [stdout] 6bdedb580f07a8d5fbb8c7b1d0efa84374e703b9cf9da5d7caa94f50b13262fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d1b1c4db3953e9b2800c33b4c3ec613f37832157750245192b8c1c5a3398adf
[INFO] running `Command { std: "docker" "start" "-a" "2d1b1c4db3953e9b2800c33b4c3ec613f37832157750245192b8c1c5a3398adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "2d1b1c4db3953e9b2800c33b4c3ec613f37832157750245192b8c1c5a3398adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1b1c4db3953e9b2800c33b4c3ec613f37832157750245192b8c1c5a3398adf", kill_on_drop: false }`
[INFO] [stdout] 2d1b1c4db3953e9b2800c33b4c3ec613f37832157750245192b8c1c5a3398adf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 946b7b8e8ac5a48a8f71027b4b4f61337674836e0de8f344658c434052ba6c13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "946b7b8e8ac5a48a8f71027b4b4f61337674836e0de8f344658c434052ba6c13", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling pipe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "946b7b8e8ac5a48a8f71027b4b4f61337674836e0de8f344658c434052ba6c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946b7b8e8ac5a48a8f71027b4b4f61337674836e0de8f344658c434052ba6c13", kill_on_drop: false }`
[INFO] [stdout] 946b7b8e8ac5a48a8f71027b4b4f61337674836e0de8f344658c434052ba6c13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0eed37e78babff2f06053eb3d64f22c1b3c2c84bbeab12971da2f87e6c3479e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0eed37e78babff2f06053eb3d64f22c1b3c2c84bbeab12971da2f87e6c3479e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pipe-9aa539db7a0bde06
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::pipe_reader ... ok
[INFO] [stdout] test tests::pipe_writer_fail ... ok
[INFO] [stdout] test tests::small_reads ... ok
[INFO] [stdout] test tests::pipe_reader_buffered ... ok
[INFO] [stdout] test tests::pipe_writer_fail_buffered ... ok
[INFO] [stdout] test tests::small_reads_buffered ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pipe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0eed37e78babff2f06053eb3d64f22c1b3c2c84bbeab12971da2f87e6c3479e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eed37e78babff2f06053eb3d64f22c1b3c2c84bbeab12971da2f87e6c3479e6", kill_on_drop: false }`
[INFO] [stdout] 0eed37e78babff2f06053eb3d64f22c1b3c2c84bbeab12971da2f87e6c3479e6